Biomedical Engineering Reference
In-Depth Information
TABLE 2.4. Hydrothermal and Flux Growth of Carbonate Apatite
Starting Material
Method *
Temp. ( ° C)
Pressure (MPa)
Product
Ref.
DCPA - H 2 O - CO 2
h
180 - 290
Ca 9.64 H 0.35 (PO 4 ) 6 [(CO 3 ) 0.14 (OH) 1.36 (H 2 O) 0.35 ]
[41]
CaCO 3 - (NH 4 ) 2 HPO 4 - H 2 O
h, f
250 - 900
13 - 137
CO 3 replacing OH and PO 4
[110]
h
200
137
CO 3 replacing PO 4
[121]
α
TCP - (NH 4 ) 2 CO 3 - H 2 O
CaSO 4 - (NH 4 ) 2 CO 3
h
200
137
CO 3 replacing PO 4
[118]
TCP - Ca(OH) 2 - CaCO 3 - H 2 O
h
750 - 900
69 - 137
Ca 9.9 [(PO 4 ) 5.8 (CO 3 ) 0.2 ](OH) 2
[110]
CaCO 3 - NH 4 H 2 PO 4 - H 2 O
h
250
100
Ca 9.50 (NH 4 ) 0.10 (PO 4 ) 5.05 (CO 3 ) 0.95 (OH) 2
[44]
TCP - CaCO 3
f
1400
55
Ca 9.8 [(PO 4 ) 5.6 (CO 3 ) 0.4 ]CO 3
[116]
DCPD - Ca(OH) 2 - CaCO 3 - Na 2 CO 3
f
1200
1000
Ca 9.13 Na 0.87 [(PO 4 ) 5.05 (CO 3 ) 0.95 ][(CO 3 ) 0.86 OH 0.28 ]
[26]
C a 2 P 2 O 7 - CaO - CaCO 3
f
1400
2000
Ca 10 (PO 4 ) 6 [(CO 3 ) 0.75 OH 0.5 ]
[25]
* h: hydrothermal method, f: fl ux method.
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